Click on the third or sixth rank to set the en passant target square.

EGTB: win in 2 half-moves

# move score
1 Rf4 win in 1 half-moves
2 Kd1 loss in 2 half-moves
3 Kd2 loss in 2 half-moves
4 Ke2 loss in 2 half-moves
5 Kf1 loss in 2 half-moves
6 Kf2 loss in 2 half-moves
7 Rf1 loss in 2 half-moves
8 Rf2 loss in 2 half-moves
9 Rf3 loss in 2 half-moves
10 Rf5 loss in 2 half-moves
11 Rf7 loss in 2 half-moves
12 Rf8 loss in 2 half-moves
13 Rg6 loss in 2 half-moves
14 Rh6 loss in 2 half-moves
15 Ra6 loss in 1 half-moves
16 Rb6 loss in 1 half-moves
17 Rc6 loss in 1 half-moves
18 Rd6 loss in 1 half-moves
19 Re6 loss in 1 half-moves